[Bug target/93418] [9/10 Regression] GCC incorrectly constant propagates _mm_sllv/srlv/srav

[husseydevin at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93418

Devin Hussey <husseydevin at gmail dot com> changed:

           What    |Removed                     |Added
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              Build|                            |2020-01-24 0:00

--- Comment #5 from Devin Hussey <husseydevin at gmail dot com> ---
Finally got GCC to build after it was throwing a fit.

I can confirm that the regression is in that commit.

g:28a8a768ebef5e31f950013f1b48b14c008b4b3b works correctly, 
g:6a03477e85e1b097ed6c0b86c76436de575aef04 does not.